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IOS Upgrade from 15.0(1)SE2 to 15.2(1)E1 and QoS problem

Hi All,

I have recently upgraded a 3750X stack from 15.0(1)SE2 to 15.2(1)E1 and have some qos related issue.

On the old IOS we had auto qos srnd4 enabled , but that line is now missing from the post-upgrade config.  I can input the command again but when I do a show run it still isn’t present. I have checked the reported bugs for the new IOS, but couldn´t find any.

Any idea about what can be the problem here ?

Thank you in advance for any help.

pre-upgrade config.

spanning-tree mode pvst

spanning-tree portfast bpduguard default

spanning-tree extend system-id

spanning-tree vlan 10-11 priority 8192

auto qos srnd4

Post-upgrade config.

spanning-tree mode pvst

spanning-tree portfast bpduguard default

spanning-tree extend system-id

spanning-tree vlan 10-11 priority 8192

-

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Hall of Fame Super Gold

IOS Upgrade from 15.0(1)SE2 to 15.2(1)E1 and QoS problem

Try IOS version 15.0(2)SE4.

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